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Attic draftstop required.
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In occupancies in group r 2 that do not exceed four stories above grade plane the attic space shall be subdivided by draftstops into areas not exceeding 3 000 sf.
In occupancies in group r 2 that do not exceed four stories above grade plane the attic space shall be subdivided by draftstops into areas not exceeding 3 000 square feet 279 m 2 or above every two.
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1 if there is no useable space above the assembly an attic or below it a crawlspace draftstoppingisn t required.
2 if the assembly isn t concealed an open floor ceiling assembly above a.
The scope of this project is to evaluate draftstopping in concealed combustible attic spaces.
Each side of draftstop approximately of equal sizes there are some points to be made about the draftstoppingrequirements.
Or above every two dwelling units.
Icc region ii safety 2 r cuppy the next generation last post.
Draftstopping draftstop is defined by the international building code as.
Draftstopping is required in concealed spaces in type v combustible construction to subdivide attic spaces.